:root{
  --bg:#0D0D0F;
  --bg-deep:#09090B;
  --text:#F5F5F7;
  --muted:#98989D;
  --accent:#0A84FF;
  --accent-soft:rgba(10,132,255,.16);
  --accent2:#5E5CE6;
  --accent2-soft:rgba(94,92,230,.18);
  --ink:#E5E5EA;
  --border:rgba(255,255,255,.10);
  --border-soft:rgba(255,255,255,.06);
  --panel:rgba(28,28,30,.72);
  --up:#FF453A;    /* A股红涨 */
  --dn:#32D74B;    /* A股绿跌 */
  --radius:16px;
  --maxw:1160px;
  --font:"PingFang SC","Microsoft YaHei","Segoe UI",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%}
::selection{background:rgba(10,132,255,.4)}

/* ---------- 背景 ---------- */
.bg{position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(900px 520px at 15% -6%, rgba(10,132,255,.10) 0%, transparent 60%),
    radial-gradient(820px 520px at 88% 108%, rgba(94,92,230,.08) 0%, transparent 60%),
    linear-gradient(0deg,transparent 23px, rgba(255,255,255,.022) 24px, transparent 25px),
    linear-gradient(90deg,transparent 23px, rgba(255,255,255,.022) 24px, transparent 25px),
    var(--bg);
  background-size:auto,auto,48px 48px,48px 48px,auto;
}
.vignette{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(circle at 50% 28%, transparent 42%, rgba(0,0,0,.5) 100%)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(18px,4vw,40px)}

/* ---------- 导航 ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:60;
  display:flex;align-items:center;justify-content:space-between;
  padding:16px clamp(18px,4vw,40px);
  background:transparent;border-bottom:1px solid transparent;
  transition:background .35s ease,border-color .35s ease,backdrop-filter .35s ease,padding .35s ease}
.nav.scrolled{background:rgba(13,13,15,.78);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);padding-top:11px;padding-bottom:11px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:.5px}
.brand-mark{width:32px;height:32px;border-radius:9px;display:grid;place-items:center;overflow:hidden;
  background:var(--accent-soft);border:1px solid var(--border)}
.brand-mark img{width:26px;height:26px;object-fit:contain}
.nav-links{display:flex;gap:28px;font-size:14px;color:var(--muted)}
.nav-links a{position:relative;transition:color .2s;padding:4px 0}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent2));border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--accent)}
.nav-links a.active::after{transform:scaleX(1)}
.nav-cta{padding:9px 22px;border-radius:10px;font-weight:600;font-size:13px;
  border:1px solid rgba(10,132,255,.55);color:#7CB8FF;
  background:var(--accent-soft);
  transition:background .2s,transform .2s,box-shadow .2s}
.nav-cta:hover{background:rgba(10,132,255,.28);transform:translateY(-1px);
  box-shadow:0 8px 22px rgba(10,132,255,.22)}

/* ---------- 子页面容器 ---------- */
.page{display:flex;flex-direction:column;justify-content:center;
  min-height:calc(100vh - 149px);padding:110px 0 60px}

/* ---------- 按钮 ---------- */
.btn-primary{display:inline-flex;align-items:center;gap:10px;padding:14px 30px;border-radius:11px;
  font-size:16px;font-weight:700;color:#fff;cursor:pointer;border:none;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  transition:transform .18s,box-shadow .18s,filter .18s;
  box-shadow:0 10px 30px rgba(10,132,255,.30)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);
  box-shadow:0 18px 44px rgba(10,132,255,.40)}
.btn-primary svg{width:17px;height:17px}
.btn-ghost{padding:13px 24px;border-radius:11px;font-size:14px;font-weight:600;color:var(--text);
  border:1px solid var(--border);cursor:pointer;background:rgba(255,255,255,.03);
  transition:border-color .18s,color .18s,background .18s}
.btn-ghost:hover{border-color:rgba(10,132,255,.6);color:#7CB8FF;background:var(--accent-soft)}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.meta-row{margin-top:26px;display:flex;gap:14px 18px;flex-wrap:wrap;color:var(--muted);font-size:12px}
.meta-row span{display:inline-flex;align-items:center;gap:6px}
.meta-row span::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--accent);opacity:.8}

/* ---------- Hero ---------- */
.hero{display:flex;align-items:center;min-height:calc(100vh - 56px);padding:130px 0 70px}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:20px;
  font-size:12px;color:var(--muted);border:1px solid var(--border);margin-bottom:22px;
  background:var(--panel);backdrop-filter:blur(10px)}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--dn);box-shadow:0 0 8px var(--dn);
  animation:pulse-dot 2.4s ease-in-out infinite}
@keyframes pulse-dot{0%,100%{opacity:1}50%{opacity:.45}}
.hero h1{font-size:clamp(38px,6vw,64px);line-height:1.08;font-weight:800;letter-spacing:-.5px;margin-bottom:18px}
.hero h1 .accent{background:linear-gradient(92deg,#6FB6FF 0%,var(--accent) 45%,var(--accent2) 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero .sub{font-size:clamp(15px,2vw,17.5px);color:var(--muted);max-width:540px;margin-bottom:32px}

/* Hero 视觉：客户端同款窗口 · 首屏行情看板 */
.hero-visual{position:relative;display:grid;place-items:center;min-height:440px}
.mock{position:relative;width:min(470px,94%);border-radius:16px;overflow:hidden;
  border:1px solid rgba(255,255,255,.12);
  background:linear-gradient(180deg,rgba(30,30,34,.94),rgba(16,16,19,.96));
  box-shadow:0 30px 80px rgba(0,0,0,.6),0 0 0 1px rgba(10,132,255,.08),0 0 90px rgba(10,132,255,.07);
  animation:mock-float 7s ease-in-out infinite}
@keyframes mock-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.mock-bar{display:flex;align-items:center;gap:7px;padding:12px 14px;
  background:rgba(255,255,255,.035);border-bottom:1px solid var(--border-soft)}
.mock-bar span{font-size:12px;color:var(--muted);letter-spacing:2px}
.mock-bar .lts{margin-left:auto;display:flex;gap:7px}
.mock-bar .lt{width:11px;height:11px;border-radius:50%}
.mock-bar .lt.r{background:#FF5F57}.mock-bar .lt.y{background:#FEBC2E}.mock-bar .lt.g{background:#28C840}
/* 行情看板 */
.mk-body{padding:16px;display:flex;flex-direction:column;gap:12px}
.mk-tabs{display:flex;gap:7px}
.mk-tabs i{font-style:normal;font-size:11.5px;padding:4px 12px;border-radius:8px;
  border:1px solid var(--border-soft);color:var(--muted);background:rgba(255,255,255,.02)}
.mk-tabs i.on{background:var(--accent-soft);color:#7CB8FF;border-color:rgba(10,132,255,.45)}
.mk-chart{border-radius:12px;border:1px solid var(--border-soft);background:rgba(255,255,255,.02);padding:10px 8px 4px}
.mk-chart svg{display:block;width:100%;height:auto}
.mk-rows{display:flex;flex-direction:column;gap:7px}
.mk-row{display:flex;align-items:center;gap:12px;padding:9px 12px;border-radius:10px;
  background:rgba(255,255,255,.03);border:1px solid var(--border-soft)}
.mk-row .nm{flex:1;font-size:12.5px;font-weight:600}
.mk-row .nm small{display:block;color:var(--muted);font-size:10px;font-weight:400;letter-spacing:.5px}
.mk-row .px{text-align:right;font-variant-numeric:tabular-nums}
.mk-row .px b{display:block;font-size:12.5px;font-weight:700}
.mk-row .px small{font-size:10.5px}
.up{color:var(--up)}.dn{color:var(--dn)}
/* 底部 Dock */
.mock-dockrow{display:flex;gap:8px;justify-content:center;padding:2px 0 4px}
.mock-dockrow i{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.05);
  border:1px solid var(--border-soft);display:grid;place-items:center;color:var(--muted)}
.mock-dockrow i.on{background:var(--accent-soft);border-color:rgba(10,132,255,.45);color:#7CB8FF}
.mock-dockrow i svg{width:15px;height:15px}
/* 浮动小卡 */
.chipf{position:absolute;z-index:2;padding:10px 16px;border-radius:12px;font-size:12px;color:var(--text);
  background:rgba(24,24,28,.88);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.10);
  box-shadow:0 14px 34px rgba(0,0,0,.5);display:flex;align-items:center;gap:8px;white-space:nowrap}
.chipf b{color:#7CB8FF}
.chipf.c1{top:9%;right:1%;animation:chip-float 5.5s ease-in-out infinite}
.chipf.c2{bottom:15%;left:-3%;animation:chip-float 6.5s .8s ease-in-out infinite}
.chipf.c3{bottom:-2%;right:7%;animation:chip-float 6s .4s ease-in-out infinite}
.chipf .cdot{width:7px;height:7px;border-radius:50%}
.chipf .cdot.b{background:var(--accent);box-shadow:0 0 8px var(--accent)}
.chipf .cdot.gd{background:#FFD60A;box-shadow:0 0 8px rgba(255,214,10,.8)}
.chipf .cdot.g{background:var(--dn);box-shadow:0 0 8px var(--dn)}
@keyframes chip-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

/* ---------- 区块标题 ---------- */
.sec-head{text-align:center;margin-bottom:40px}
.sec-head .kicker{font-size:11px;letter-spacing:4px;text-transform:uppercase;color:var(--accent);font-weight:600}
.sec-head h2{font-size:clamp(26px,4vw,40px);font-weight:800;margin-top:10px;letter-spacing:-.3px}
.sec-head p{color:var(--muted);margin-top:10px;font-size:14.5px}
.sec-head.left{text-align:left}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:8px 0 0}
.stat{padding:26px 20px;text-align:center;border-radius:var(--radius);
  border:1px solid var(--border);background:var(--panel);backdrop-filter:blur(12px)}
.stat b{display:block;font-size:clamp(24px,3vw,34px);font-weight:800;
  background:linear-gradient(135deg,#6FB6FF,var(--accent2));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat span{color:var(--muted);font-size:12.5px;letter-spacing:1px}

/* ---------- Bento 全功能 ---------- */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.b-item{position:relative;overflow:hidden;padding:28px 26px;border-radius:var(--radius);
  border:1px solid var(--border);background:var(--panel);backdrop-filter:blur(12px);
  transition:border-color .25s,transform .25s,box-shadow .25s;display:flex;flex-direction:column;gap:10px}
.b-item:hover{border-color:rgba(10,132,255,.55);transform:translateY(-4px);
  box-shadow:0 20px 48px rgba(0,0,0,.5),0 0 0 1px rgba(10,132,255,.16)}
.b-item::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .3s;
  background:radial-gradient(130% 90% at 20% 0%,rgba(10,132,255,.12) 0%,transparent 60%)}
.b-item:hover::before{opacity:1}
.b-item.s3{grid-column:span 3}.b-item.s2{grid-column:span 2}.b-item.s4{grid-column:span 4}.b-item.s6{grid-column:span 6}
.b-ico{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;color:#7CB8FF;
  background:var(--accent-soft);border:1px solid rgba(10,132,255,.35);margin-bottom:4px}
.b-ico svg{width:20px;height:20px}
.b-item h3{font-size:17.5px;font-weight:700}
.b-item p{color:var(--muted);font-size:13.5px;line-height:1.75}
.b-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:auto;padding-top:8px}
.b-tags i{font-style:normal;font-size:11px;color:var(--muted);padding:3px 10px;border-radius:8px;
  border:1px solid var(--border-soft);background:rgba(255,255,255,.03)}
.b-item.big p{font-size:14px;max-width:520px}

/* ---------- 功能目录（features 页） ---------- */
.cat{margin-bottom:64px}
.cat-head{display:flex;align-items:center;gap:14px;margin-bottom:20px}
.cat-head .no{font-size:13px;font-weight:800;color:#7CB8FF;letter-spacing:2px;
  padding:5px 12px;border:1px solid rgba(10,132,255,.4);border-radius:9px;background:var(--accent-soft)}
.cat-head h3{font-size:21px;font-weight:800}
.cat-head .line{flex:1;height:1px;background:linear-gradient(90deg,rgba(10,132,255,.35),transparent)}
.fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.fcard{padding:24px 22px;border-radius:14px;border:1px solid var(--border);background:var(--panel);
  backdrop-filter:blur(12px);transition:border-color .25s,transform .25s,box-shadow .25s}
.fcard:hover{border-color:rgba(10,132,255,.5);transform:translateY(-3px);box-shadow:0 16px 40px rgba(0,0,0,.45)}
.fcard h4{font-size:15.5px;font-weight:700;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.fcard h4::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 6px}
.fcard p{color:var(--muted);font-size:13px;line-height:1.75}
.fcard.wide{grid-column:span 3}
.fcard.wide .flist{display:grid;grid-template-columns:1fr 1fr;gap:8px 24px;margin-top:6px}
.fcard.wide .flist span{color:var(--muted);font-size:13px;display:flex;gap:8px;align-items:center}
.fcard.wide .flist span::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--accent);opacity:.8;flex:0 0 4px}

/* ---------- 核心亮点 ---------- */
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{padding:36px 32px;border-radius:var(--radius);border:1px solid var(--border);
  background:var(--panel);backdrop-filter:blur(12px);transition:border-color .25s,transform .25s,box-shadow .25s}
.card:hover{border-color:rgba(10,132,255,.55);transform:translateY(-4px);
  box-shadow:0 18px 46px rgba(0,0,0,.5),0 0 0 1px rgba(10,132,255,.16)}
.card .ico{width:74px;height:74px;border-radius:14px;overflow:hidden;
  background:var(--accent-soft);border:1px solid var(--border);margin-bottom:20px;transition:transform .25s}
.card:hover .ico{transform:scale(1.06)}
.card .ico img{width:100%;height:100%;object-fit:cover;display:block}
.card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.card p{color:var(--muted);font-size:14px;line-height:1.8}

/* ---------- 使用场景 ---------- */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scene{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);
  background:var(--panel);backdrop-filter:blur(12px);transition:border-color .25s,transform .25s,box-shadow .25s}
.scene:hover{border-color:rgba(10,132,255,.55);transform:translateY(-4px);box-shadow:0 18px 46px rgba(0,0,0,.5)}
.scene .ph{position:relative;aspect-ratio:16/10;overflow:hidden;
  background:linear-gradient(135deg,rgba(10,132,255,.14),rgba(94,92,230,.06))}
.scene .ph img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
.scene:hover .ph img{transform:scale(1.05)}
.scene .ph .no{position:absolute;top:12px;left:14px;font-size:34px;font-weight:800;
  background:linear-gradient(135deg,#6FB6FF,var(--accent2));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.scene .ph .big-ico{position:absolute;inset:0;display:grid;place-items:center;color:#5FA8F5;opacity:.9}
.scene .ph .big-ico svg{width:52px;height:52px}
.scene .body{padding:24px 24px 26px}
.scene .body h3{font-size:18px;font-weight:700;margin-bottom:8px}
.scene .body p{color:var(--muted);font-size:13.5px;line-height:1.8}

/* ---------- 下载 ---------- */
.dl-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.dl-grid.single{grid-template-columns:1fr;max-width:520px;margin:0 auto}
.dl-c{position:relative;padding:42px 34px 34px;text-align:center;border-radius:var(--radius);
  border:1px solid var(--border);background:var(--panel);backdrop-filter:blur(12px);
  transition:border-color .25s,transform .25s,box-shadow .25s}
.dl-c.hl{border-color:rgba(10,132,255,.5)}
.dl-c.hl::before{content:"";position:absolute;inset:0;pointer-events:none;border-radius:var(--radius);
  background:radial-gradient(120% 80% at 50% 0%,rgba(10,132,255,.14) 0%,transparent 62%)}
.dl-c:hover{transform:translateY(-4px);box-shadow:0 18px 46px rgba(0,0,0,.5)}
.dl-c.hl:hover{box-shadow:0 18px 52px rgba(0,0,0,.55),0 0 0 1px rgba(10,132,255,.25)}
.dl-logo{position:relative;width:68px;height:68px;border-radius:17px;margin:0 auto 16px;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.12);box-shadow:0 8px 22px rgba(0,0,0,.35)}
.dl-logo svg{width:38px;height:38px;display:block}
.dl-c.win .dl-logo{background:linear-gradient(145deg,#3b82f6,#1d4ed8)}
.dl-c-badge{position:absolute;top:-1px;right:16px;transform:translateY(-50%);padding:4px 13px;border-radius:8px;
  font-size:11px;font-weight:700;letter-spacing:.5px;z-index:2}
.dl-c-badge.avail{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff}
.dl-title{position:relative;font-size:21px;font-weight:700;margin-bottom:8px}
.dl-desc{position:relative;color:var(--muted);font-size:14px;margin-bottom:22px;line-height:1.6}
.dl-btn{position:relative;display:block;text-align:center;width:100%;padding:14px;border-radius:11px;font-size:15px;font-weight:700;
  color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent2));border:none;cursor:pointer;
  transition:transform .18s,filter .18s,box-shadow .18s;box-shadow:0 10px 26px rgba(10,132,255,.25)}
.dl-btn:hover{transform:translateY(-1px);filter:brightness(1.08)}
.dl-c-info{position:relative;margin-top:18px;font-size:12px;color:var(--muted);display:flex;flex-wrap:wrap;justify-content:center;gap:6px}
.dl-c-info span:not(:last-child)::after{content:"·";margin-left:6px;opacity:.45}
.dl-c-tip{position:relative;max-height:0;opacity:0;overflow:hidden;margin-top:0;padding:0 12px;
  border-radius:8px;font-size:11.5px;line-height:1.6;color:var(--muted);text-align:left;
  border:1px solid transparent;background:transparent;
  transition:max-height .3s ease,opacity .3s ease,margin .3s ease,padding .3s ease}
.dl-c:hover .dl-c-tip{max-height:120px;opacity:1;margin-top:16px;padding:11px 12px;
  border-color:rgba(10,132,255,.2);background:var(--accent-soft)}
/* 历史版本 */
.hist{display:flex;flex-direction:column;gap:12px;max-width:720px;margin:22px auto 0}
.hist-item{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 20px;
  border:1px solid var(--border);border-radius:12px;background:var(--panel);backdrop-filter:blur(10px);
  transition:border-color .2s,transform .2s}
.hist-item:hover{border-color:rgba(10,132,255,.45);transform:translateX(3px)}
.hist-item b{color:var(--text);font-weight:600;font-size:14px}
.hist-item .dl-btn{width:auto;padding:8px 22px;border-radius:9px;font-size:13px;margin:0}
.dl-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:860px;margin:44px auto 0}
.step{padding:22px;border-radius:14px;border:1px solid var(--border);background:var(--panel);backdrop-filter:blur(10px)}
.step b{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:9px;margin-bottom:10px;
  background:var(--accent-soft);border:1px solid rgba(10,132,255,.4);color:#7CB8FF;font-size:14px}
.step h4{font-size:14.5px;font-weight:700;margin-bottom:6px}
.step p{color:var(--muted);font-size:12.5px;line-height:1.7}

/* ---------- FAQ ---------- */
.faq-list{max-width:780px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--border);border-radius:12px;background:var(--panel);backdrop-filter:blur(12px);
  overflow:hidden;transition:border-color .25s}
.faq-item.open{border-color:rgba(10,132,255,.6)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;cursor:pointer;
  padding:18px 22px;font-size:15px;font-weight:600;user-select:none}
.faq-q .plus{width:22px;height:22px;flex:0 0 22px;position:relative;transition:transform .3s ease}
.faq-q .plus::before,.faq-q .plus::after{content:"";position:absolute;background:var(--accent);border-radius:2px}
.faq-q .plus::before{left:50%;top:3px;width:2px;height:16px;transform:translateX(-50%)}
.faq-q .plus::after{top:50%;left:3px;height:2px;width:16px;transform:translateY(-50%)}
.faq-item.open .plus{transform:rotate(135deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a .inner{padding:0 22px 20px;color:var(--muted);font-size:13.5px;line-height:1.85}

/* ---------- 底部 CTA ---------- */
.cta-band{position:relative;overflow:hidden;padding:64px 40px;border-radius:20px;text-align:center;
  border:1px solid rgba(10,132,255,.35);
  background:radial-gradient(120% 140% at 50% 0%,rgba(10,132,255,.14) 0%,rgba(22,22,26,.6) 60%);
  backdrop-filter:blur(12px)}
.cta-band h2{font-size:clamp(24px,3.6vw,36px);font-weight:800;margin-bottom:12px}
.cta-band p{color:var(--muted);font-size:14.5px;margin-bottom:28px}
.cta-band::before,.cta-band::after{content:"";position:absolute;width:220px;height:220px;border-radius:50%;
  border:1px dashed rgba(10,132,255,.22);pointer-events:none}
.cta-band::before{left:-70px;bottom:-90px}
.cta-band::after{right:-60px;top:-90px}

/* ---------- 页脚 ---------- */
footer{border-top:1px solid var(--border);padding:40px 0 34px;color:var(--muted);font-size:13px;margin-top:70px;
  background:linear-gradient(180deg,transparent,rgba(10,132,255,.04))}
.foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.foot-links{display:flex;gap:18px;flex-wrap:wrap}
.foot-links a:hover{color:var(--text)}

/* ---------- 回到顶部 ---------- */
.toTop{position:fixed;right:24px;bottom:24px;z-index:70;width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;border:1px solid rgba(10,132,255,.55);
  background:rgba(24,24,28,.85);backdrop-filter:blur(10px);color:#7CB8FF;
  opacity:0;transform:translateY(16px) scale(.9);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease,background .2s}
.toTop.show{opacity:1;transform:none;pointer-events:auto}
.toTop:hover{background:var(--accent-soft)}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- 更新日志（changelog.html 依赖，勿改名） ---------- */
.changelog{padding:0}
.cl-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:22px}
.cl-item{position:relative;padding:26px 28px 24px;border-radius:var(--radius);border:1px solid var(--border);
  background:var(--panel);backdrop-filter:blur(12px);transition:border-color .25s,transform .25s,box-shadow .25s}
.cl-item:hover{border-color:rgba(10,132,255,.5);transform:translateY(-3px);box-shadow:0 16px 40px rgba(0,0,0,.5)}
.cl-head{display:flex;align-items:baseline;gap:14px;margin-bottom:14px;padding-bottom:14px;border-bottom:1px solid var(--border)}
.cl-ver{font-size:22px;font-weight:800;color:var(--accent);letter-spacing:.5px}
.cl-date{font-size:13px;color:var(--muted)}
.cl-body{list-style:none;display:flex;flex-direction:column;gap:10px}
.cl-body li{position:relative;padding-left:18px;color:var(--text);font-size:14px;line-height:1.75}
.cl-body li::before{content:"";position:absolute;left:2px;top:10px;width:6px;height:6px;border-radius:50%;background:var(--accent);opacity:.8}
.cl-body li b{color:#7CB8FF;font-weight:700}

::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(10,132,255,.35);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:rgba(10,132,255,.6)}

@media (max-width:960px){
  .bento{grid-template-columns:repeat(2,1fr)}
  .b-item.s3,.b-item.s4,.b-item.s6{grid-column:span 2}
  .fgrid{grid-template-columns:repeat(2,1fr)}
  .fcard.wide{grid-column:span 2}
  .stats{grid-template-columns:repeat(2,1fr)}
  .dl-steps{grid-template-columns:1fr}
}
@media (max-width:820px){
  .hero{min-height:0;padding-top:110px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{order:-1;min-height:0}
  .grid2,.grid3{grid-template-columns:1fr}
  .fgrid{grid-template-columns:1fr}
  .fcard.wide{grid-column:span 1}
  .fcard.wide .flist{grid-template-columns:1fr}
  .nav-links{display:none}
  .chipf{display:none}
  .mock{animation:none}
}